Chapter 1 Overview of Communications Express

Sun Java™ System Communications Express 6.1 2005Q4 provides a 508 compliant integrated web-based communication and collaboration client that caters to the needs of Internet Service Providers, Enterprises, and Original Equipment Manufacturers.

As a web-based client, the three client modules - Calendar, Address Book, and Mail of Communications Express depends on a browser for presentation.

For optimal performance, use the browser and platform combinations listed below.

Table 1–1 Browser Platform Recommendations

Browsers

Windows XP

Windows

2000

Solaris

RH Linux

Macintosh OS X

Netscape™ Communicator

7.2

7.2

7.2

N/A

N/A

Internet Explorer

6.0 sp1+

6.0 sp1+

N/A

N/A

N/A

Mozilla™

1.4+

1.4+

1.4

1.4+

N/A

Software Dependencies

The following should be installed before installing Communications Express:

Directory Server 5.2

Calendar Sever 6.2

Messaging Server 6.2

Access Manager 6.2 (formerly known as Identity Server) if you are using Schema 2

Web Server 6.1 SP4 with JDK version 1.5

or

Application Server 8.1

Product Features

Communications Express has an integrated user interface for calendar, mail, and address book.

Communications Express supports Identity Single Sign-On and Messaging Single Sign-On.

Both calendar and mail applications share the same address book.

Calendar, mail, and address book modules share the common user preferences specified in the Options tab of Communications Express.

Communications Express supports virtual domain.

High-Level Architecture

The Calendar and Address Book client modules are deployed as a single web application in any web container. The mail module is rendered by the Messenger Express. Messenger Express is the standalone web interface mail application that uses the HTTP service of the Messaging Server.

Messenger Express or MEM should be deployed on the same system where Communications Express is deployed.